Resource contains a total of 30 different domino sets (math activities) on the topic subtraction of rational numbers arranged as follows: 30 domino sets composed of 10 pieces each black-and-white ...
When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...
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